Busy. Please wait.
Log in with Clever

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever

Username is available taken
show password

Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.

Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
Didn't know it?
click below
Knew it?
click below
Don't Know
Remaining cards (0)
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Ch.9 BNS

Wakefulness and Sleep

Circadian cycles are to ______ as circannual cycles are to ________. daily; yearly
Mammals have circadian rhythms: for a variety activities, including sleep
What is a "free-running rhythm"? the activity cycle generated by a biological clock that is not reset
What happens if people live in an environment in which the cycle of light and dark is other than 24 hours? they adjust better if the cycle is close to 24 (e.g. 25)
Research on circadian rhythms has shown that one of the best ways to increase the alertness and efficiency of workers on night shifts is to: expose them to bright lights while they work
The surest way to disrupt the biological clock is to damage the: suprachiasmatic nucleus
The role of the suprachiasmatic nucleus (SCN) in the regulation of biological rhythms is to: generate the circadian rhythm
The input from the eyes to the suprachiasmatic nucleus, responsible for shifting the phase of the circadian rhythm, originates from: ganglion cells that are not connected to any cones or rods
Slow-wave sleep is comprised of: stages 3 and 4
EEG waves are larger when brain activity decreases because: neurons are becoming more synchronized
During REM sleep, the EEG shows: irregular, low-voltage fast waves
The relationship between sleep stage and dreaming is that dreams: are more frequent and more vivid in REM sleep
Different sets of cells in the basal forebrain release which two neurotransmitters? acetylcholine and GABA
PGO waves are associated with which stage or type of sleep? REM sleep
What are the dreamlike experiences at the onset of sleep that are difficult to distinguish from reality? hypnagogic hallucinations
Loss of orexin-containing neurons in the hypothalamus may contribute to: narcolepsy
According to the evolutionary perspective of sleep, the primary function of sleep is to: conserve energy
The sleep of dolphins is unique because: only one hemisphere of their brain sleeps at a time
Research suggests that _______ sleep is most important for strengthening memories of motor skills. REM
During dreaming, which areas of the brain continue to be highly active? the hypothalamus, amygdala, and other emotional areas
Created by: hilarytumey
Popular Neuroscience sets




Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
restart all cards